摘要
The sequential circuit is one of the important components in logic design of digital system and is widely applied to various automatic control systems such as electronic computer, information processing, digital meter, digital control machinery, robot, etc.Nowadays, in the design of sequential eircuit, the first thing to be considered is what type of flipflop is to be adopted, no matter what method is to be taken, and then, accordingly, the Karnaugh map or excitation matrix will be worked out on the basis of the transition table for the flipflop[1-4].
